Iterator [C#] List<string> weekDays - foreach, while, Reset

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Iterator [C#] List<string> weekDays - foreach, while, Reset

More Code 2018. 6. 15. 20:24
// C# : Iterator

using System;
using System.Collections;
using System.Collections.Generic;

namespace Iteration
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> weekDays = new List<string>();
            weekDays.Add("Sun");
            weekDays.Add("Mon");
            weekDays.Add("Tue");
            weekDays.Add("Wed");
            weekDays.Add("Thu");
            weekDays.Add("Fri");
            weekDays.Add("Sat");

            foreach (string item in weekDays)
            {
                Console.WriteLine(item);
            }

            Console.WriteLine("---- End of 1st iteration ----");

            IEnumerator myEnumerator = weekDays.GetEnumerator();

            while (myEnumerator.MoveNext())
            {
                Console.WriteLine(myEnumerator.Current);
            }

            Console.WriteLine("---- End of 2nd iteration ----");

            myEnumerator.Reset(); // No Exception occurs

            while (myEnumerator.MoveNext())
            {
                Console.WriteLine(myEnumerator.Current);
            }

            Console.WriteLine("---- End of 3rd iteration ----");
        }
    }
}

/* Output
Sun
Mon
Tue
Wed
Thu
Fri
Sat
---- End of 1st iteration ----
Sun
Mon
Tue
Wed
Thu
Fri
Sat
---- End of 2nd iteration ----
Sun
Mon
Tue
Wed
Thu
Fri
Sat
---- End of 3rd iteration ----
*/